The DGEN 380 is a small, separate-flow, geared turbofan being promoted for a small twinjet application in the emerging personal light jet market. Smaller, and producing less thrust than other entries in the industry, the engine could be applied to a four to five place twinjet designed to compete in an area currently dominated by propeller-driven airplanes. This paper documents the procedures used to project static noise measurements collected from the engine to flight conditions and the prediction of certification noise of a notional airplane powered by twin DGEN engines. A novel noise model calibration technique and a Monte Carlo uncertainty experiment are emphasized.


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    Title :

    System Noise Prediction of the DGEN 380 Turbofan Engine


    Contributors:

    Published in:

    Publication date :

    2016




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.50 Luftfahrzeugtechnik / 55.50
    Local classification TIB:    770/7040